504081669 has 96 divisors (see below), whose sum is σ = 889061376. Its totient is φ = 251475840.

The previous prime is 504081667. The next prime is 504081679. The reversal of 504081669 is 966180405.

It is not a de Polignac number, because 504081669 - 2¹ = 504081667 is a prime.

It is a super-2 number, since 2×504081669² = 508196658043651122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504081667) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3969084 + ... + 3969210.

It is an arithmetic number, because the mean of its divisors is an integer number (9261056).

Almost surely, 2^504081669 is an apocalyptic number.

It is an amenable number.

504081669 is a deficient number, since it is larger than the sum of its proper divisors (384979707).

504081669 is a wasteful number, since it uses less digits than its factorization.

504081669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 504081669 is about 22451.7631601618. The cubic root of 504081669 is about 795.8544241285.

The spelling of 504081669 in words is "five hundred four million, eighty-one thousand, six hundred sixty-nine".